Compression detector for frequency monitoring and passive location systems
DOI:
https://doi.org/10.18372/2073-4751.75.18017Keywords:
compressive detector, signal processing, matched filtering, dispersion filter, frequency monitoring, passive location, information systemAbstract
The article analyzes the principle of operation and the possibilities of applying a compressive detector, the principle of which is based on the use of a scan heterodyne and dispersion filter. As a dispersion filter, it is proposed to use a set of time delays connected in series and bandpass filters connected to the delay taps. Such a system allows compression of broadband modulated signals in the form of pulses, which increases the signal-to-noise ratio and increases the ability to separate signals by frequency. The mathematical support describing the principle of operation of the compressive detector and the conditions for implementing the matched filtering of the signals received on the dispersion filter is considered in detail. A diagram of the structure of the compressive detector is presented, the principle of which is based on the given mathematical support. The proposed system can be implemented and used for information processing of unknown, hidden signals, in information systems of frequency monitoring and passive location.
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